Confirmed:Self-hosted binary or Docker Compose with PostgreSQL
Confirmed:Self-hosted Docker image, or hosted Keila Cloud
Confirmed:Self-hosted Laravel application
Hosted by the vendor
Code licenceDiffers
Partial:AGPL-3.0 (copyleft)
Partial:AGPL-3.0-or-later (copyleft); logo and extra/ directory excluded
Confirmed:MIT
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Model weights licence
Confirmed:No separate model weights
Confirmed:No separate model weights
Confirmed:No separate model weights
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Commercial useDiffers
Partial:Yes under AGPL-3.0 copyleft terms; no paid edition or feature gating
Partial:Yes under AGPL-3.0 copyleft terms; self-hosted version is not feature-gated in the README
Confirmed:Yes, MIT
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Paid services needed?Differs
Partial:App is free; you need an SMTP server or sending service such as Amazon SES to deliver mail
Partial:Your own inbox over SMTP works for small lists; larger lists need a sending service
Partial:App is free; needs an email service such as Amazon SES, Postmark, SendGrid, Mailgun, Mailjet, Postal or SMTP
Subscription
HardwareDiffers
Confirmed:Light; a production instance sent 7M+ emails using a fraction of one core and 57 MB peak RAM
Unknown:Not documented; needs a container engine and PostgreSQL
Unknown:No hardware figures; needs PHP 8.3+ and MySQL 5.7+ or PostgreSQL 10+
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Operating systemsDiffers
Confirmed:Binaries for Linux, macOS (Darwin), Windows and the BSDs; Docker image
Partial:Any host running a container engine; host OS support not listed
Partial:Any server with PHP 8.3+, Composer, a web server and MySQL or PostgreSQL; host OS not listed
—
Setup effortDiffers
Confirmed:Easy; download binary or docker compose up, plus a PostgreSQL database
Confirmed:Medium; Docker image or sample Docker Compose file, plus PostgreSQL
Confirmed:Medium; git clone, composer install, configure a web server and database
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Stars over time
Switch to Growth % to compare projects of different sizes fairly.
listmonk
Keila
SendPortal
Tracked daily since 16 Oct 2026. Dashed history: estimated from public records of when people starred the repo. Lines connect observations only; gaps contain no measured points.
Growth % starts at each project's first observed point in the shown range. Zero-star starts are unavailable.
Notes for a video or post
A plain summary with today's date and a link to the sources. Check each project page before you publish.
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